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-rw-r--r--arch/sparc/include/asm/processor_32.h1
-rw-r--r--arch/sparc/include/asm/processor_64.h11
-rw-r--r--arch/sparc/include/asm/ptrace.h10
-rw-r--r--arch/sparc/include/asm/switch_to_64.h2
-rw-r--r--arch/sparc/include/asm/syscalls.h2
-rw-r--r--arch/sparc/include/asm/thread_info_64.h25
-rw-r--r--arch/sparc/include/asm/uaccess_64.h4
-rw-r--r--arch/sparc/include/asm/unistd.h1
8 files changed, 32 insertions, 24 deletions
diff --git a/arch/sparc/include/asm/processor_32.h b/arch/sparc/include/asm/processor_32.h
index f74ac9ee33a..c1e01914fd9 100644
--- a/arch/sparc/include/asm/processor_32.h
+++ b/arch/sparc/include/asm/processor_32.h
@@ -106,7 +106,6 @@ static inline void start_thread(struct pt_regs * regs, unsigned long pc,
/* Free all resources held by a thread. */
#define release_thread(tsk) do { } while(0)
-extern pid_t kernel_thread(int (*fn)(void *), void * arg, unsigned long flags);
extern unsigned long get_wchan(struct task_struct *);
diff --git a/arch/sparc/include/asm/processor_64.h b/arch/sparc/include/asm/processor_64.h
index 721e25f0e2e..cce72ce4c33 100644
--- a/arch/sparc/include/asm/processor_64.h
+++ b/arch/sparc/include/asm/processor_64.h
@@ -94,6 +94,7 @@ struct thread_struct {
#ifndef __ASSEMBLY__
#include <linux/types.h>
+#include <asm/fpumacro.h>
/* Return saved PC of a blocked thread. */
struct task_struct;
@@ -143,6 +144,10 @@ do { \
: \
: "r" (regs), "r" (sp - sizeof(struct reg_window) - STACK_BIAS), \
"i" ((const unsigned long)(&((struct pt_regs *)0)->u_regs[0]))); \
+ fprs_write(0); \
+ current_thread_info()->xfsr[0] = 0; \
+ current_thread_info()->fpsaved[0] = 0; \
+ regs->tstate &= ~TSTATE_PEF; \
} while (0)
#define start_thread32(regs, pc, sp) \
@@ -183,13 +188,15 @@ do { \
: \
: "r" (regs), "r" (sp - sizeof(struct reg_window32)), \
"i" ((const unsigned long)(&((struct pt_regs *)0)->u_regs[0]))); \
+ fprs_write(0); \
+ current_thread_info()->xfsr[0] = 0; \
+ current_thread_info()->fpsaved[0] = 0; \
+ regs->tstate &= ~TSTATE_PEF; \
} while (0)
/* Free all resources held by a thread. */
#define release_thread(tsk) do { } while (0)
-extern pid_t kernel_thread(int (*fn)(void *), void * arg, unsigned long flags);
-
extern unsigned long get_wchan(struct task_struct *task);
#define task_pt_regs(tsk) (task_thread_info(tsk)->kregs)
diff --git a/arch/sparc/include/asm/ptrace.h b/arch/sparc/include/asm/ptrace.h
index da43bdc6229..bdfafd7af46 100644
--- a/arch/sparc/include/asm/ptrace.h
+++ b/arch/sparc/include/asm/ptrace.h
@@ -32,6 +32,9 @@ static inline bool pt_regs_clear_syscall(struct pt_regs *regs)
#define arch_ptrace_stop(exit_code, info) \
synchronize_user_stack()
+#define current_pt_regs() \
+ ((struct pt_regs *)((unsigned long)current_thread_info() + THREAD_SIZE) - 1)
+
struct global_reg_snapshot {
unsigned long tstate;
unsigned long tpc;
@@ -55,9 +58,7 @@ union global_cpu_snapshot {
extern union global_cpu_snapshot global_cpu_snapshot[NR_CPUS];
-#define force_successful_syscall_return() \
-do { current_thread_info()->syscall_noerror = 1; \
-} while (0)
+#define force_successful_syscall_return() set_thread_noerror(1)
#define user_mode(regs) (!((regs)->tstate & TSTATE_PRIV))
#define instruction_pointer(regs) ((regs)->tpc)
#define instruction_pointer_set(regs, val) ((regs)->tpc = (val))
@@ -100,6 +101,9 @@ static inline bool pt_regs_clear_syscall(struct pt_regs *regs)
#define arch_ptrace_stop(exit_code, info) \
synchronize_user_stack()
+#define current_pt_regs() \
+ ((struct pt_regs *)((unsigned long)current_thread_info() + THREAD_SIZE) - 1)
+
#define user_mode(regs) (!((regs)->psr & PSR_PS))
#define instruction_pointer(regs) ((regs)->pc)
#define user_stack_pointer(regs) ((regs)->u_regs[UREG_FP])
diff --git a/arch/sparc/include/asm/switch_to_64.h b/arch/sparc/include/asm/switch_to_64.h
index 7923c4a2be3..cad36f56fa0 100644
--- a/arch/sparc/include/asm/switch_to_64.h
+++ b/arch/sparc/include/asm/switch_to_64.h
@@ -23,7 +23,7 @@ do { flush_tlb_pending(); \
/* If you are tempted to conditionalize the following */ \
/* so that ASI is only written if it changes, think again. */ \
__asm__ __volatile__("wr %%g0, %0, %%asi" \
- : : "r" (__thread_flag_byte_ptr(task_thread_info(next))[TI_FLAG_BYTE_CURRENT_DS]));\
+ : : "r" (task_thread_info(next)->current_ds));\
trap_block[current_thread_info()->cpu].thread = \
task_thread_info(next); \
__asm__ __volatile__( \
diff --git a/arch/sparc/include/asm/syscalls.h b/arch/sparc/include/asm/syscalls.h
index 45a43f637a1..bf8972adea1 100644
--- a/arch/sparc/include/asm/syscalls.h
+++ b/arch/sparc/include/asm/syscalls.h
@@ -8,6 +8,4 @@ extern asmlinkage long sparc_do_fork(unsigned long clone_flags,
struct pt_regs *regs,
unsigned long stack_size);
-extern asmlinkage int sparc_execve(struct pt_regs *regs);
-
#endif /* _SPARC64_SYSCALLS_H */
diff --git a/arch/sparc/include/asm/thread_info_64.h b/arch/sparc/include/asm/thread_info_64.h
index a3fe4dcc0aa..269bd92313d 100644
--- a/arch/sparc/include/asm/thread_info_64.h
+++ b/arch/sparc/include/asm/thread_info_64.h
@@ -14,12 +14,12 @@
#define TI_FLAG_FAULT_CODE_SHIFT 56
#define TI_FLAG_BYTE_WSTATE 1
#define TI_FLAG_WSTATE_SHIFT 48
-#define TI_FLAG_BYTE_CWP 2
-#define TI_FLAG_CWP_SHIFT 40
-#define TI_FLAG_BYTE_CURRENT_DS 3
-#define TI_FLAG_CURRENT_DS_SHIFT 32
-#define TI_FLAG_BYTE_FPDEPTH 4
-#define TI_FLAG_FPDEPTH_SHIFT 24
+#define TI_FLAG_BYTE_NOERROR 2
+#define TI_FLAG_BYTE_NOERROR_SHIFT 40
+#define TI_FLAG_BYTE_FPDEPTH 3
+#define TI_FLAG_FPDEPTH_SHIFT 32
+#define TI_FLAG_BYTE_CWP 4
+#define TI_FLAG_CWP_SHIFT 24
#define TI_FLAG_BYTE_WSAVED 5
#define TI_FLAG_WSAVED_SHIFT 16
@@ -47,7 +47,7 @@ struct thread_info {
struct exec_domain *exec_domain;
int preempt_count; /* 0 => preemptable, <0 => BUG */
__u8 new_child;
- __u8 syscall_noerror;
+ __u8 current_ds;
__u16 cpu;
unsigned long *utraps;
@@ -74,9 +74,9 @@ struct thread_info {
#define TI_FAULT_CODE (TI_FLAGS + TI_FLAG_BYTE_FAULT_CODE)
#define TI_WSTATE (TI_FLAGS + TI_FLAG_BYTE_WSTATE)
#define TI_CWP (TI_FLAGS + TI_FLAG_BYTE_CWP)
-#define TI_CURRENT_DS (TI_FLAGS + TI_FLAG_BYTE_CURRENT_DS)
#define TI_FPDEPTH (TI_FLAGS + TI_FLAG_BYTE_FPDEPTH)
#define TI_WSAVED (TI_FLAGS + TI_FLAG_BYTE_WSAVED)
+#define TI_SYS_NOERROR (TI_FLAGS + TI_FLAG_BYTE_NOERROR)
#define TI_FPSAVED 0x00000010
#define TI_KSP 0x00000018
#define TI_FAULT_ADDR 0x00000020
@@ -84,7 +84,7 @@ struct thread_info {
#define TI_EXEC_DOMAIN 0x00000030
#define TI_PRE_COUNT 0x00000038
#define TI_NEW_CHILD 0x0000003c
-#define TI_SYS_NOERROR 0x0000003d
+#define TI_CURRENT_DS 0x0000003d
#define TI_CPU 0x0000003e
#define TI_UTRAPS 0x00000040
#define TI_REG_WINDOW 0x00000048
@@ -121,7 +121,7 @@ struct thread_info {
#define INIT_THREAD_INFO(tsk) \
{ \
.task = &tsk, \
- .flags = ((unsigned long)ASI_P) << TI_FLAG_CURRENT_DS_SHIFT, \
+ .current_ds = ASI_P, \
.exec_domain = &default_exec_domain, \
.preempt_count = INIT_PREEMPT_COUNT, \
.restart_block = { \
@@ -153,13 +153,12 @@ register struct thread_info *current_thread_info_reg asm("g6");
#define set_thread_wstate(val) (__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_WSTATE] = (val))
#define get_thread_cwp() (__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_CWP])
#define set_thread_cwp(val) (__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_CWP] = (val))
-#define get_thread_current_ds() (__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_CURRENT_DS])
-#define set_thread_current_ds(val) (__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_CURRENT_DS] = (val))
+#define get_thread_noerror() (__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_NOERROR])
+#define set_thread_noerror(val) (__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_NOERROR] = (val))
#define get_thread_fpdepth() (__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_FPDEPTH])
#define set_thread_fpdepth(val) (__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_FPDEPTH] = (val))
#define get_thread_wsaved() (__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_WSAVED])
#define set_thread_wsaved(val) (__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_WSAVED] = (val))
-
#endif /* !(__ASSEMBLY__) */
/*
diff --git a/arch/sparc/include/asm/uaccess_64.h b/arch/sparc/include/asm/uaccess_64.h
index 73083e1d38d..e562d3caee5 100644
--- a/arch/sparc/include/asm/uaccess_64.h
+++ b/arch/sparc/include/asm/uaccess_64.h
@@ -38,14 +38,14 @@
#define VERIFY_READ 0
#define VERIFY_WRITE 1
-#define get_fs() ((mm_segment_t) { get_thread_current_ds() })
+#define get_fs() ((mm_segment_t){(current_thread_info()->current_ds)})
#define get_ds() (KERNEL_DS)
#define segment_eq(a,b) ((a).seg == (b).seg)
#define set_fs(val) \
do { \
- set_thread_current_ds((val).seg); \
+ current_thread_info()->current_ds =(val).seg; \
__asm__ __volatile__ ("wr %%g0, %0, %%asi" : : "r" ((val).seg)); \
} while(0)
diff --git a/arch/sparc/include/asm/unistd.h b/arch/sparc/include/asm/unistd.h
index 0ecea6ed943..c3e5d8b6417 100644
--- a/arch/sparc/include/asm/unistd.h
+++ b/arch/sparc/include/asm/unistd.h
@@ -46,6 +46,7 @@
#define __ARCH_WANT_COMPAT_SYS_RT_SIGSUSPEND
#define __ARCH_WANT_COMPAT_SYS_SENDFILE
#endif
+#define __ARCH_WANT_SYS_EXECVE
/*
* "Conditional" syscalls
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-28 13:21:27 +0000